| Attribute | Value |
|---|---|
| Product | DEIF Full-Auto Synchronising Relay |
| Model | DEIF |
| Function | Full-Auto Synchronising Relay |
| FC (Frequency Check) | 0.1 to 0.5 Hz |
| XP (Phase Angle Difference) | 0.5 to 2.5 Hz |
| TN (Time Constant) | 0 to 10 |
| F Max (Max Frequency Diff.) | 0.2 to 1.0 Hz |
| TBC (Time Before Closing) | 0 to 200 ms |
| Pre-set Delay 1 | 200 ms |
| Pre-set Delay 2 | 400 ms |
| V Max (Voltage Difference Acceptance) | 2 to 12% |
| Max. Voltage Difference Acceptance | 10% |
| Max. Frequency Difference Acceptance | 0.4 Hz |
| Weight | 1.580 kg |
What is a Full-Auto Synchronising Relay?
A Full-Auto Synchronising Relay is an automated device aimed at synchronizing gensets or generators with themselves or the master grid. DEIF’s model differs in its type by being the only model with a full auto, fully customizable relay system, which allows it to synchronise perfectly each and every time.
The unit checks voltage, frequency, phase sequence, and phase angle and ensures all the parameters are compatible before it can close the circuit breaker. The protection of electrical systems against damage caused by inefficient synchronization is achieved, and operations become more efficient and safe.
Major Characteristics of the DEIF Full-Auto Synchronising Relay
The DEIF synchronising relay is not only any automation equipment—it has some serious capabilities that make it perfect for demanding applications. Here’s why:
1. Automatic Synchronisation
The relay takes care of the entire synchronization process automatically. It continuously checks and adjusts generator output to synchronize with the grid or another generator.
2. Multi-functionality
Aside from elementary synchronization, it can also be used in controlling circuit breakers, protection parameters, and load sharing based on the model and setup.
3. Flexible Operation
Whether you are synchronizing a single generator to the grid or gensets to each other, DEIF relay can support isolated as well as connected systems.
4. User-Friendly Interface
The majority of DEIF units have LCD displays and easy-to-use controls to make configuration and monitoring performance for the operators simpler.
5. Built-in Protections
The system includes in-built safeguards such as over/under voltage, over/under frequency, and phase failure detection to provide safe operation.
6. Compact Design
In spite of its sophisticated features, the relay is available in a compact package, which makes it simple to install in control panels or tight engine rooms.
How Does It Work?
The DEIF synchronising relay works by continuously monitoring the output of the generator compared to the target source (a second generator or the grid). It then varies the speed of the engine and excitation system to harmonize frequency and voltage. Upon convergence of all parameters within limits, the relay signals the circuit breaker to be closed, finalising synchronization.
Under full-auto, these steps take place without user input. Even loading sharing and paralleling are automatically started when the system becomes synchronised, allowing it to fit ideally for application in power automation systems.
Application of DEIF Synchronising Relays
The DEIF Full-Auto Synchronising Relay has versatile applications across numerous industries thanks to its high responsiveness and flexibility. Some general application areas are:
1. Marine Vessels
Ships usually carry redundant and load-balanced generators. DEIF relays provide effortless switching and synchronism, which are essential in marine applications.
2. Power Plants
Both power plants operating in standby and continuous modes, synchronized gensets maximize efficiency and minimize fuel expenditure.
3. Industrial Facilities
Self-generating manufacturing facilities employ these relays to maintain seamless operations during grid failures or high-load hours.
4. Renewable Energy Integration
When used in conjunction with conventional generators, synchronization relays assist in compensating for variable loads and ensuring system stability.
5. Data Centers & Hospitals
Critical systems require power to be available at all times. DEIF relays facilitate rapid switching and load sharing to prevent downtime.
Advantages of Utilizing DEIF Full-Auto Synchronising Relay
Improved Safety: Eliminates manual synchronization hazards.
Time-Saving: Lightens the workload of operators and accelerates the process of synchronization.
Cost-Effective: Saves generator wear and maximizes fuel consumption through efficient load sharing.
Scalable: Compatible in both single and multi-generator configurations.
Reliable: Constructed with industrial-grade materials intended for harsh environments.
